prometheus/client_java

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Prometheus instrumentation library for JVM applications

Stars: 2.3k
Forks: 833
Open beginner issues: 0
Indexed issues: 18
Avg merge: 2d 16h
Merged PRs (30d): 86

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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18 open issues indexed

OpenTelemetry bridge: classic histograms exported with +Inf boundary included, violating counts == boundaries + 1 contract Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

prometheus/client_java#2416 · 1 comment · Opened Aug 24, 2026
Proposal: Prometheus HTTP API client module (prometheus-metrics-api-client) Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

prometheus/client_java#2306 · 9 comments · 4 reactions · Opened Jul 16, 2026
Switch Micrometer compatibility workflow to upstream once typed-descriptor path becomes default Open

Difficulty 1/5 Under an hour Newbie friendliness 86/100

prometheus/client_java#2182 · Opened Jun 3, 2026
Improve Summary quantiles with DataSketches Open

Difficulty 5/5 Over a week Newbie friendliness 32/100

prometheus/client_java#2084 · 3 comments · Opened May 1, 2026
Extra allocations in `*TextFormatWriter` because of Java 8 target Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

prometheus/client_java#2075 · 10 comments · 1 reaction · Opened Apr 29, 2026
Classic-only histogram: consider synchronized block instead of multi-LongAdder for observe() hot path Open

prometheus/client_java#1915 · 1 assignee · Opened Feb 25, 2026
Remove separate-pull-requests workaround after upstream release-please fix Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

prometheus/client_java#1903 · 1 comment · Opened Feb 20, 2026
Code Quality Improvement Plan Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

prometheus/client_java#1882 · 1 comment · Opened Feb 16, 2026
Publish Nightly Snapshots Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

prometheus/client_java#1852 · Opened Feb 5, 2026
Code quality improvements Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

prometheus/client_java#1816 · 2 reactions · Opened Jan 26, 2026
Escaping API inconsistencies Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

prometheus/client_java#1577 · 3 comments · Opened Sep 19, 2025
Invalid unicode output Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

prometheus/client_java#1576 · 10 comments · Opened Sep 19, 2025
Implement Otel Translation Strategies per spec Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

prometheus/client_java#1555 · 9 comments · Opened Sep 5, 2025
: does not get converted to _ Open

stale

Difficulty 3/5 1-2 days Newbie friendliness 65/100

prometheus/client_java#1548 · 12 comments · Opened Sep 2, 2025
Exporter Pushgateway runtime issue in versions 1.3.4 and above Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

prometheus/client_java#1411 · 11 comments · Opened Jun 4, 2025
Dependency Dashboard Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

prometheus/client_java#1378 · Opened May 26, 2025
Issue when using @Timed annotation with prometheus-metrics-instrumentation-dropwizard Open

Difficulty 3/5 1-2 days Newbie friendliness 50/100

prometheus/client_java#1321 · 6 comments · 1 reaction · Opened Apr 8, 2025
Equivalent usage of Simpleclient in micrometer-registry-prometheus `1.13.x` Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

prometheus/client_java#1226 · 5 comments · Opened Dec 10, 2024

prometheus/client_java

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